Product Type | Thunderbolt 3 Dual PCIe Expansion Chassis |
Form Factor | External Enclosure |
Chassis Material | Aluminum |
Tool-less Design | Yes |
Power Supply | External AC Adapter (Included) |
Power Input | 100–240V AC, 50/60Hz |
Power Output | 12V DC, 10A |
Supports GPU Cards | No |
Weight | 2.34 kg (5.16 lb) |
StarTech Thunderbolt 3 Dual PCIe Expansion Chassis, 8K/4K Output, Toolless





Key Benefits

Eye-Insights™ by Eye-In Technologies
AI-Powered Summaries from Online Customer Reviews
AI-Powered Summaries from Online Customer Reviews
Eye-Insights™ are generated by proprietary AI that analyzes real online customer reviews to highlight top pros and key product features. While we aim for accuracy, insights are provided “as-is” and individual results may vary.
- Enables rapid PCIe expansion for Thunderbolt 3/4 systems, perfect for professionals needing high-speed flexible I/O
- Supports ultra-high-resolution 8K/4K video output, ideal for graphic-intensive tasks and media production
- Toolless and driverless design simplifies setup, minimizing downtime and improving operational efficiency
Product Overview
THUNDERBOLT 3 PCIE EXPANSION CHASSIS FOR THUNDERBOLT 3/4 LAPTOPS - EXTERNAL ENCLOSURE W/ DUAL PCI-E 3.0 SLOTS (UP TO 21.6GBPS PER SLOT) - FOR VIDEO CAPTURE/FIBER/ETHERNET CARDS - TOOLLESS DESIGN AND ALUMINUM CONSTRUCTION - 8K/4K VIA DP 1.4/TB3 PORTSSpecifications
Product Overview
Wireless Features
Compliance & Origin
Country of Origin | Taiwan |
TAA Compliant | Yes |
RoHS Compliant | Yes |
CE Certified | Yes |
FCC Compliant | Yes |
REACH Compliant | Yes |
Advanced Security Features
Interfaces
Host Interface | Thunderbolt 3 |
Number of Thunderbolt 3 Ports | 2 |
PCIe Interface | PCI Express 3.0 |
PCIe Slot Count | 2x PCIe x8 Slots (open-ended) |
Data Transfer Rate per Slot | Up to 21.6 Gbps |
DisplayPort Output | 1x DisplayPort 1.4 |
Display Support | Up to 8K at 60Hz or Dual 4K at 60Hz via DisplayPort 1.4 and Thunderbolt 3 |
Physical & Environmental
Product Color | Black |
Enclosure Type | Aluminum Housing |
Cooling Type | Built-in Fan |
Operating Temperature | 5°C to 35°C (41°F to 95°F) |
Storage Temperature | -20°C to 50°C (-4°F to 122°F) |
Operating Humidity | 20% to 80% RH (non-condensing) |
Storage Humidity | 10% to 90% RH (non-condensing) |
Product Dimensions | 282 mm x 139 mm x 138 mm (11.1 in x 5.5 in x 5.4 in) |